F25J2220/52 - CPC Classification Index

ClassID:

160429 ⎘

F25J2220/52 - CPC Classification

Classification description:

Processes or apparatus involving steps for the removal of impurities Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O

Recent Application in this class:

20240053097

2024-02-15

AIR SEPARATION UNIT AND AIR SEPARATION METHOD

20200149806

2020-05-14

SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNIT

20190331416

2019-10-31

System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit

20160187060

2016-06-30

Method and device for discharging components that are less volatile than oxygen from an air separation plant